
#query_nested_form .demo-table-expand {
    font-size: 0;
}
#query_nested_form .demo-table-expand label {
    width: 90px;
    color: #99a9bf;
}
#query_nested_form .demo-table-expand .el-form-item {
    margin-right: 0;
    margin-bottom: 0;
    width: 33%;
}